ZC836ATA Discrete Semiconductor Products |
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Allicdata Part #: | ZC836ATR-ND |
Manufacturer Part#: |
ZC836ATA |
Price: | $ 0.00 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Diodes Incorporated |
Short Description: | DIODE VAR CAP 100PF 25V SOT23-3 |
More Detail: | Varactor Single 25V Surface Mount SOT-23-3 |
DataSheet: | ZC836ATA Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | 0.00000 |
Specifications
Series: | -- |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Obsolete |
Moisture Sensitivity Level (MSL): | -- |
Capacitance @ Vr, F: | 110pF @ 2V, 1MHz |
Capacitance Ratio: | 6.5 |
Capacitance Ratio Condition: | C2/C20 |
Voltage - Peak Reverse (Max): | 25V |
Diode Type: | Single |
Q @ Vr, F: | 100 @ 3V, 50MHz |
Operating Temperature: | -55°C ~ 150°C (TJ) |
Mounting Type: | Surface Mount |
Package / Case: | TO-236-3, SC-59, SOT-23-3 |
Supplier Device Package: | SOT-23-3 |
Base Part Number: | ZC836A |
Description
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Introduction to ZC836ATAThe ZC836ATA is a variable capacitance diode, also known as a varicaps or varactors. This type of diode is useful in applications demanding the capability to vary the capacity of the diode. The ZC836ATA is a dual design and the highest capacitance variation is in the center of its range. This range is typically between 2.4 and 2.6 pF.
Application Field & Working Principle
The primary use of the ZC836ATA is in radio-frequency communication circuits, where they are used to reduce the influence of unwanted signals and aid in controlling the frequency and gain of the circuit. When this diode is used in this way, it is often referred to as a frequency-responsive voltage regulator. When a voltage is applied to the ZC836ATA, the capacitance of the diode is changed, enabling it to control the oscillator’s frequency. The device can even be used as a voltage limiter and clamp.
In addition to being used as a variable capacitance diode, the ZC836ATA can also be utilized as a variable resistor. Since the resistance of a diode depends on the voltage applied to it, the resistance can be altered by altering the voltage. This feature is useful in applications where the resistance must be changed on the fly. For instance, the ZC836ATA can be used as the load for a pulse-width-modulation (PWM) circuit, and the resistance of the load can be adjusted to vary the speed at which the PWM signals are generated.
Finally, the ZC836ATA can also be used as a voltage divider. By applying a voltage across two ZC836ATA diodes, the voltage can be divided between the two diodes. The voltage across the two diodes will depend on the amount of capacitance of each diode, so by varying the capacitance of each diode, the voltage divider ratio can be changed.
Advantages & Limitations
The ZC836ATA is an attractive option for designers due to its capability to control the frequency, gain, or voltage of circuits without the need for additional circuit elements. It also has a relatively high voltage-handling capability and can be operated at temperatures ranging from -40 to 125℃. Unfortunately, the ZC836ATA has a few limitations. For instance, its dynamic range (the amount the capacitance can be varied) is limited to about 2.4 to 2.6pF which can be restrictive for some applications. In addition, the device has a high insertion loss which limit its use in applications where high gain is required.
Conclusion
The ZC836ATA is a dual variable capacitance diode which is used in applications demanding a wide range of capacitance values. This device can be used to control the frequency, gain, and voltage of a circuit and is capable of operating at temperatures as high as 125℃. Despite its usefulness, the ZC836ATA also has a few limitations, including a small dynamic range and high insertion loss. However, for most applications, its advantages outweigh its limitations, making it a viable solution for many applications.
The specific data is subject to PDF, and the above content is for reference
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